The CNS and the brain (pack 1)

Question 1

what is the CNS made up of and what are their functions?

Answer 1

1. The brain- draws together information over the body and sends info back in response
2. The spinal cord- contains nerves that carry messages between brain and body

Question 2

what is the CNS

Answer 2

a central processor and control centre for human behaviour

Question 3

what happens when the body receives information from the senses

Answer 3

PNS sends in to CNS
brain processes and integrates all info and generates a response

Question 4

3 steps the CNS takes

Answer 4

1. receives
2. processes
3. responds

Question 5

what are the four lobes of the brain

Answer 5

frontal lobe
parietal lobe
occipital lobe
temporal lobe

Question 6

function of frontal lobe

Answer 6

higher executive functions such as reasoning and problem solving

primary motor cortex

Question 7

function of parietal lobe

Answer 7

integrating sensory info into touch, temp, pressure and pain

Question 8

function of occipital lobe

Answer 8

major visual processing centre
interp. depth, distance

Question 9

function of temporal lobe

Answer 9

processing sensory info
recognising language etc

Question 10

what is your PFC part of

Answer 10

frontal lobe

Question 11

what is the function of the PFC?

Answer 11

executive functions such as inhibiting inappropriate responses, decision making and motivational behaviour

Question 12

what does the PFC link to?

Answer 12

aggression

Question 13

what is the right hemisphere concerned with?

Answer 13

creativity, intuition and movement of left hand side of body

Question 14

what is he left hemisphere concerned with?

Answer 14

The right side of the body and a role to play in language functioning

Question 15

what is the corpus callosum

Answer 15

a bundle of neurons that joins the hemispheres together

Question 16

what is the function of the corpus callosum

Answer 16

ensures that the hemispheres are able to communicate with each other

Question 17

what is the limbic system?

Answer 17

a complex system of structures and nerves inside the brain

Question 18

what has the limbic system been linked to?

Answer 18

mood

Question 19

what does the limbic system control?

Answer 19

basic emotions (anger, pleasure) and drives (dominance, sex and hunger)

Question 20

what are the four parts to the limbic system

Answer 20

1. Thalamus
2. Amygdala
3. Hippocampus
4. Hypothalamus

Question 21

what is the function of the thalamus

Answer 21

relays info from the five senses to relevant parts in the cortex
important role in emotions and what we deem threatening

Question 22

what is the function of the amygdala

Answer 22

anger and fear
if our senses perceive a threat, it is stimulated and triggers fight or flight

Question 23

what is the function of the hippocampus

Answer 23

key for memory formation
converting STM to LTM

Question 24

what is the function of the hypothalamus

Answer 24

regulates bodily functions by stimulating the release of hormones
linked to fight or flight
enable us to act aggressive and fight